CN219532733U - Maximum force total elongation measuring device - Google Patents

Abstract

The utility model discloses a maximum force total extension rate measuring device, which relates to the technical field of extension measurement and comprises a base, wherein a square frame is arranged on the upper part of the base and is fixed on the base through a rib plate, a vertical guide rail is arranged on one side of the rib plate, a supporting seat is arranged on the vertical guide rail, a supporting plate is arranged on the supporting seat, a workbench is arranged on the supporting plate, three V-shaped grooves in the left-right direction are arranged on the workbench, and a sliding connection scale is arranged on one side of the square frame.

Description

Maximum force total elongation measuring device

Technical Field

The utility model relates to the technical field of extension measurement, in particular to a maximum force total extension rate measuring device.

Background

The elongation is an important parameter for detecting the mechanical property of the material, and the quality of the elongation determines the service condition of the material, and has great influence on the service life of the material. When the elongation of the sample is measured by conventional tensile test equipment, the gauge length is usually measured by a caliper by hand, external force is required to be applied from two ends, errors are easy to generate, the round sample is easy to rotate relatively, great difficulty is brought to the manual measurement, and the working efficiency is very low.

The Chinese patent application with the patent application number of CN201921085908.1 discloses an elongation measurement auxiliary device for a tensile test, which comprises a base provided with a chute along the length direction, two fixed baffles which are oppositely arranged and slidably arranged on the base and limit through a first locking piece at the same time, and two sliding stop blocks which are oppositely arranged and slidably arranged on the base; the spring piece which is in a compression state in the measuring process and is used for enabling the sliding baffle to abut against the fracture sample and the limiting block which is arranged on the base through the second locking piece and is used for preventing the spring piece from being excessively long in the radial direction and bending are arranged between the adjacent fixed baffle and the sliding baffle. When the broken sample is required to be measured, the fastening screws on the fixed baffle and the limiting block are loosened at first, the positions of the limiting block and the fixed baffle are adjusted, and the fastening screws are screwed down after the position of the limiting block and the fixed baffle is adjusted. Then placing the fracture sample on a base between two sliding check blocks, enabling the sliding check blocks to slide along the dovetail grooves towards the direction of compressing the cylindrical springs, and enabling the cylindrical springs to be stressed and compressed to generate a rebound force so that the sliding check blocks are propped against two ends of the fracture sample, so that fracture ports of the fracture sample are tightly combined, and meanwhile, rotation cannot be carried out. There is still a slip of the sample and also a need for manual measurement, with the possibility of measurement errors.

Disclosure of Invention

In order to overcome the defects of inaccurate positioning and sample sliding in the prior art, the utility model provides a maximum force total extension rate measuring device which is accurate in starting position and accurate in positioning, and measurement errors caused by sample sliding are prevented.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides a maximum force total elongation measuring device, includes the base, and base upper portion is equipped with square frame, and square frame passes through the floor to be fixed at the base, and floor one side is equipped with vertical guide, is equipped with the supporting seat on the vertical guide, is equipped with the layer board on the supporting seat, is equipped with the workstation on the layer board, is equipped with the V type groove of three left and right directions on the workstation, and one side is equipped with sliding connection's scale on the square frame.

As a further improvement of the utility model, the V-shaped groove is internally provided with the microwave magnetic strip, and the microwave magnetic strip can adsorb a metal sample, thereby being convenient for positioning.

As a further improvement of the utility model, the opening angle of the V-shaped groove is 120 degrees, so that the rod-shaped sample is suitable for being placed, and rolling is avoided.

As a further improvement of the utility model, the support base and the pallet are fixed by a reinforcing plate, which increases the stability of the connection of the support base and the pallet.

As a further improvement of the utility model, the supporting seat is connected on the vertical guide rail in a sliding way, and the supporting seat is meshed with a gear arranged in the supporting seat to move up and down through a rack arranged on the vertical guide rail, so that the supporting seat can move up and down.

As a further improvement of the utility model, the workbench is connected on the supporting plate in a sliding way, and the workbench moves back and forth through the meshing of the rack arranged on the supporting plate and the gear arranged at the bottom of the workbench, so that the workbench moves back and forth.

Compared with the prior art, the utility model has the beneficial effects that: the manual measurement is changed into automatic measurement, the measurement facility is realized, errors generated by the vernier caliper measurement are avoided, manual intervention is reduced, manual calculation errors are avoided, the measurement precision is improved, the working efficiency is improved, the operation is convenient, the labor intensity is reduced, the automatic data acquisition is realized, and the risk of data distortion is reduced.

Drawings

The utility model is further described below with reference to the drawings and the detailed description.

Fig. 1 is a schematic structural diagram of a maximum force total elongation measuring device according to the present utility model.

Fig. 2 is a front view of the present utility model.

Fig. 3 is a side view of the present utility model.

In the figure: 1. a base; 2. a square frame; 3. rib plates; 4. a vertical guide rail; 5. a support base; 6. a supporting plate; 7. a work table; 8. a V-shaped groove; 9. a ruler; 10. a microwave magnetic bar; 11. reinforcing plate.

Detailed Description

In order that the technical scheme and the beneficial effects of the utility model become more apparent, the utility model is further described in detail below with reference to specific embodiments.

Referring to fig. 1 to 3, the embodiment of the utility model discloses a maximum force total extension rate measuring device, which comprises a base 1, wherein a square frame 2 is arranged at the upper part of the base 1, the square frame 2 is fixed on the base 1 through a rib plate 3, a vertical guide rail 4 is arranged on one side of the rib plate 3, a supporting seat 5 is arranged on the vertical guide rail 4, a supporting plate 6 is arranged on the supporting seat 5, a workbench 7 is arranged on the supporting plate 6, three V-shaped grooves 8 in the left-right direction are arranged on the workbench 7, and a scale 9 in sliding connection is arranged on one side of the square frame 2.

Wherein, supporting seat 5 and layer board 6 are fixed through reinforcing plate 11, and reinforcing plate 11 increases supporting seat 5 and layer board 6 connection stability.

The workbench 7 is provided with three V-shaped grooves 8 in the left-right direction, 3 groups of samples can be placed at the same time, the opening angle of the V-shaped grooves 8 is 120 degrees, and the workbench is suitable for placing rod-shaped samples and avoids rolling. The V-shaped groove 8 is embedded with a microwave magnetic bar 10, can absorb a metal sample, is convenient to position, is provided with a magnetic switch on the side surface of the workbench, controls the microwave magnetic bar 10, and is convenient to take and place the sample. The middle of the rib plate 3 is provided with a vertical guide rail 4, a supporting seat 5 is slidably connected on the vertical guide rail 4, a rack is arranged on the middle convex surface of the vertical guide rail 4, a gear is arranged on the side surface of the supporting seat 5, the supporting seat 5 is meshed with the rack arranged on the vertical guide rail 4 and the gear arranged inside the supporting seat 5 to move up and down, a transmission rod is connected with the gear, an operation hand wheel is arranged at the end part of the transmission rod, and the operation hand wheel can realize the up-and-down movement of the supporting seat 5. The bottom surface of the workbench 7 is provided with a supporting plate 6, the workbench 7 is slidably connected to the supporting plate 6, a transverse guide rail is arranged on the side surface of the supporting plate 6, a rack is arranged at the lower part of the supporting plate 6, a gear is arranged at the lower part of the workbench, the workbench 7 moves back and forth through the rack arranged at the supporting plate 6 and the gear meshing arranged at the bottom of the workbench 7, the gear is provided with a transmission rod, the end part of the transmission rod is provided with an operation hand wheel, and the workbench 7 can move back and forth through rotating the hand wheel. The square frame 2 cross beam adopts a high-precision grating linear displacement measuring sensor, the precision of the sensor can reach +/-0.002 mm, a precise linear sliding rail is adopted as a sensor to measure and move, the movement is smooth, and the precision is high. One side of the square frame 2 is provided with a sliding connection scale 9. The scale 9 adopts digital display type reading, any position can be cleared, a measurement starting point is set, the scale 9 determines a measurement end point according to the scale distance mark, and the total displacement data is updated.

The using method comprises the following steps: taking a phi 20mm screw thread steel sample as an example, selecting a longer section of broken sample, placing the sample in a V-shaped groove of a workbench, and aligning a fracture with the left end part of the workbench; opening a magnetic switch button, and adsorbing a sample on a workbench; and moving the measuring probe to the left end part of the workbench, pressing a displacement zero clearing button, moving the probe to a 50mm position, pressing the displacement zero clearing button again, and continuing to move the probe to a position with a distance of 100mm and a distance of 10mm between the distance marks.

An automatic calculation formula is arranged in the controller, agt is calculated according to the gauge length and the displacement, and the result is directly displayed on the panel. The output end of the controller is connected with a computer host of the tensile testing machine, the Agt is automatically uploaded to a computer operation interface of the tensile testing machine, automatic data acquisition is realized, and the authenticity and accuracy of the data are ensured. And the display screen displays the total displacement and the total maximum force elongation, reads the total maximum force elongation and automatically uploads the total maximum force elongation to the interface of the tensile testing machine.

It should be understood that the detailed description is presented for purposes of understanding only and is not intended to limit the utility model to all other embodiments that may be obtained by one skilled in the art without making any inventive effort.

Claims (6)

1. The utility model provides a maximum force total elongation measuring device, includes base (1), its characterized in that: the base (1) upper portion is equipped with square frame (2), and square frame (2) are fixed at base (1) through floor (3), and floor (3) one side is equipped with vertical guide rail (4), is equipped with supporting seat (5) on vertical guide rail (4), is equipped with layer board (6) on supporting seat (5), is equipped with workstation (7) on layer board (6), is equipped with V type groove (8) of three left and right directions on workstation (7), and one side is equipped with sliding connection's scale (9) on square frame (2).

2. A maximum force total extension measuring device according to claim 1, wherein: a microwave magnetic bar (10) is arranged in the V-shaped groove (8).

3. A maximum force total extension measuring device according to claim 2, wherein: the opening angle of the V-shaped groove (8) is 120 degrees.

4. A maximum force total extension measuring device according to claim 1, wherein: the supporting seat (5) and the supporting plate (6) are fixed through the reinforcing plate (11).

5. A maximum force total extension measuring device according to claim 1, wherein: the supporting seat (5) is slidably connected to the vertical guide rail (4), and the supporting seat (5) is meshed with a gear arranged in the supporting seat (5) to move up and down through a rack arranged on the vertical guide rail (4).

6. A maximum force total extension measuring device according to claim 1, wherein: the workbench (7) is connected to the supporting plate (6) in a sliding manner, and the workbench (7) moves back and forth through the meshing of a rack arranged on the supporting plate (6) and a gear arranged at the bottom of the workbench (7).